Which two statements about ultraviolet light are true? A. It causes bacterial growth in old water pipes.
B. It is a type of sunlight that gives people sunburns.
C. It makes microbes in drinking water harmless.
D. It harms plants that grow downstream from dams.
E. It increases the growth of dangerous microbes in reservoirs.

Which of the following will increase a population's growth rate? read the following scenario and answer the question(s) below. population growth is at the root of many serious environmental problems. from the ancient babylonians thousands of years ago, to thomas malthus two centuries ago, to present day neo-malthusians, humans seem to possess an awareness of earth's limitations in the face of growing populations. today, our ability to accurately quantify and monitor population growth is very sophisticated. we can measure growth and make predictions about world growth with mathematical and computer models. despite long-lasting, rapid global population growth that is only recently starting to show signs of slowing, we have thus far been able to avoid global catastrophe. can we continue to avoid disaster? which of the following will increase a population's growth rate? increased urbanization increased industrialization increased immigration decreased immigration increased emigratio

Which of the following best completes the diagram above? a. land ordinance b. northwest ordinance c. revolutionary war d. shays' rebellion

All of the following statements point out negative aspects of the gilded age except: a. politicians gave government jobs to political supporters. b. political bosses cheated large cities out of millions of dollars. c. industrialists bribed members of congress to ensure favorable votes. d. in 1903, wisconsin became the first state to hold primary elections.